diff --git a/README.md b/README.md
index e8811d1..b487845 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,19 @@
 
 Python library defining base types for financial processing.
 
+Defines a base `Asset` type, and various subtypes, for universal representation
+of these assets.
+
+Defined hierarchy:
+
+* `Asset`
+  - `Currency`
+    + `FiatCurrency`
+    + `CryptoCurrency`
+  - `Stock`
+  - `Index`
+  - `Commodity`
+
 
 # License
 
diff --git a/setup.py b/setup.py
index adae988..9e43d2b 100644
--- a/setup.py
+++ b/setup.py
@@ -15,6 +15,19 @@ PACKAGE_DESCRIPTION = """
 
 Python library defining base types for financial processing.
 
+Defines a base `Asset` type, and various subtypes, for universal representation
+of these assets.
+
+Defined hierarchy:
+
+* `Asset`
+  - `Currency`
+    + `FiatCurrency`
+    + `CryptoCurrency`
+  - `Stock`
+  - `Index`
+  - `Commodity`
+
 
 # License